Physics MCQs:

1)    The instrument which detects the instant at which the external pressure becomes equal to the systolic pressure is

a)     Thermometer

b)    Stethoscope

c)     Manometer

d)    Barometer

2)    A small piece of wood and needle are floating close together in water. Due to surface tension

a)     They will steady drift apart

b)    The wood will float towards the edge

c)     The needle will move towards the center

d)    All of above can be possible

3)    Rate of flow can be expressed as

a)     Litre/sec

b)    Litre-sec

c)     Sec-litre

d)    Sec/litre-m

1.b

2.b

3.a